Parameters – MITSUBISHI ELECTRIC MELSERVO MR-J2S- A User Manual
Page 148
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5. PARAMETERS
To rotate the servo motor at 3000r/min in the open collector system (200kpulse/s), set the electronic
gear as follows
CDV
CMX
N
0
f
60
pt
f
: Input pulses [pulse/s]
N
0
: Servo motor speed [r/min]
Pt : Servo motor resolution [pulse/rev]
200
CDV
CMX
3000
60
131072
CDV
CMX
3000
60
131072
200
60 200000
3000 131072
4096
125
10
3
The following table indicates the electronic gear setting example (ballscrew lead 10mm) when the
A1SD75P is used in this way.
Rated servo motor speed
3000r/min
2000r/min
Input system
Open
collector
Differential
line driver
Open
collector
Differential
line driver
Max. input pulse frequency [kpulse/s]
200
500
200
500
Feedback pulse/revolution [pulse/rev]
131072
131072
Servo amplifier
Electronic gear (CMX/CDV)
4096/125
2048/125
8192/375
4096/375
Command pulse frequency [kpulse/s] (Note)
200
400
200
400
Number of pulses per servo motor revolution as
viewed from A1SD75P[pulse/rev]
4000
8000
6000
12000
AP
1
1
1
1
AL
1
1
1
1
Minimum command unit
1pulse
AM
1
1
1
1
AP
4000
8000
6000
12000
AL
100.0[ m]
100.0[ m]
100.0[ m]
100.0[ m]
A1SD75P
Electronic gear
Minimum command unit
0.1 m
AM
10
10
10
10
Note. Command pulse frequency at rated speed